The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2021
Filed:
Sep. 27, 2019
Cisco Technology, Inc., San Jose, CA (US);
Pascal Thubert, Roquefort les Pins, FR;
Ramakrishnan Chokkanathapuram Sundaram, Fremont, CA (US);
Patrick Wetterwald, Mouans Sartoux, FR;
Eric Michel Levy-Abegnoli, Valbonne, FR;
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
A method includes identifying within a network topology, by an apparatus, a plurality of network devices; and establishing by the apparatus, a multiple tree topology comprising a first multicast tree and a second multicast tree, the first and second multicast trees operable as redundant trees for multicast traffic in the network topology, the establishing including: allocating a first of the network devices as a corresponding root of the first multicast tree, allocating a first group of intermediate devices from the network devices as first forwarding devices in the first multicast tree, allocating a second group of intermediate devices as belonging to first leaf devices in the first multicast tree, and allocating terminal devices of the network devices as belonging to the first leaf devices, and allocating a second of the network devices as the corresponding root of the second multicast tree, allocating the second group of intermediate devices as second forwarding devices in the second multicast tree, allocating the first group of intermediate devices as belonging to second leaf devices in the second multicast tree, and allocating the terminal devices as belonging to the second leaf devices.